//
//  UserAccount.swift
//  AAWeibo
//
//  Created by 上官风雨 on 15/11/11.
//  Copyright © 2015年 上官风雨. All rights reserved.
//

import UIKit

class UserAccount: NSObject,NSCoding {
    
    var access_token :String?
    var expires_in :NSTimeInterval = 0{
        
        didSet{
            expires_date = NSDate(timeIntervalSinceNow: expires_in)
            
        }
        
    }
    var uid :String?
    var avatar_large :String?
    var name :String?
    var expires_date :NSDate?
    
     init(dict:[String:AnyObject]) {
        
        super.init()
        
        setValuesForKeysWithDictionary(dict)
        
    }
    
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        
    }
    override var description: String {
        let keys = ["access_token","expires_in","uid","avatar_large","name","expires_date"]
        return dictionaryWithValuesForKeys(keys).description
    }
    //解归档
    required init?(coder aDecoder: NSCoder) {
        
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        uid = aDecoder.decodeObjectForKey("uid") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
        name = aDecoder.decodeObjectForKey("name") as? String
        expires_date = aDecoder.decodeObjectForKey("expires_date") as? NSDate

        expires_in = aDecoder.decodeDoubleForKey("expires_in")
        
        
    }
    //归档
    func encodeWithCoder(aCoder: NSCoder) {
        
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeDouble(expires_in, forKey: "expires_in")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
        aCoder.encodeObject(name, forKey: "name")
        aCoder.encodeObject(expires_date, forKey: "expires_date")
    }
    
    //保存
    func saveAccount(){
        
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        NSKeyedArchiver.archiveRootObject(self, toFile: path)
        
        print(path)
        
    }
    //对外的获取解归档方法
  class  func loadAccount() ->UserAccount?{
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        
        if let account = NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? UserAccount {
            
            if account.expires_date?.compare(NSDate()) == NSComparisonResult.OrderedDescending{
                
                return account
            }
            
            
        }
        
        return nil
    }

}
